EXPRESS PROTRACTOR

EXPRESS PROTRACTORDepending on the processed material from each drill must be properly sharpened. To verify the correct angle will help a specially prepared square plate of copper or aluminium with a thickness of 1 mm.

To become operational protractor enough to cut it cut, as shown in the picture: a large cutout at an angle of 120 degrees, the other half is 60 degrees and the surviving corner of a square is 90.

Recommend to read

  • E UNDER THE NEW RULESE UNDER THE NEW RULES
    Judging by editorial mail, does not weaken the interest of students of avtomodelistov to the micro machines of the class AL with actuator. The widespread availability of sports...
  • FEEDER HENSFEEDER HENS
    Chickens are kept by many. And know that Corydalis diligently rushed and quickly put on weight, they should be well fed, but still not once a day. Not a problem if the farm only one...